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Jersey Water chooses Danfoss Drives for major upgrade

08 March 2021

For a recent major upgrade to its La Rosière desalination plant, Jersey Water chose VLT AQUA Drives from Danfoss.

The principal reasons for choosing these versatile drives, which provide dedicated water-industry functionality, are excellent harmonic performance, high efficiency, compact construction, proven reliability, value for money, and the availability of versions for operation from 690V supplies.

The current desalination plant is the second on the La Rosière site, which is in the south-west corner of Jersey, the largest of the Channel Islands. It was opened in 1999 as a replacement for an earlier distillation plant that had reached the end of its life. After the new plant had been in service for almost two decades, the ever-growing need for water on the island, due to population growth and climate change, led to the decision to undertake a major upgrade. This would increase the plant’s capacity from 6 Ml/day to 10.8 Ml/day, which is sufficient to meet around half of the island’s daily demand for water.

The upgrade involved the installation of a large number of new pumps, almost all of which would need to be controlled by AC variable speed drives. After investigating the available options and going through a competitive tendering process, Jersey Water decided that the Danfoss VLT AQUA Drives were the most suitable choice on both technical and commercial grounds. Accordingly, these drives were specified for all applications related to the upgrade project.

Read the full article in the March issue of DPA.

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